示例#1
0
/*
 * Read a symbolic link
 */
static int
pfs_readlink(struct vop_readlink_args *va)
{
	struct vnode *vn = va->a_vp;
	struct pfs_vdata *pvd = vn->v_data;
	struct pfs_node *pn = pvd->pvd_pn;
	struct uio *uio = va->a_uio;
	struct proc *proc = NULL;
	struct thread *td = curthread;
	char buf[PATH_MAX];
	struct sbuf sb;
	int error, locked;

	PFS_TRACE(("%s", pn->pn_name));
	pfs_assert_not_owned(pn);

	if (vn->v_type != VLNK)
		PFS_RETURN (EINVAL);
	KASSERT_PN_IS_LINK(pn);

	if (pn->pn_fill == NULL)
		PFS_RETURN (EIO);

	if (pvd->pvd_pid != NO_PID) {
		if ((proc = pfind(pvd->pvd_pid)) == NULL)
			PFS_RETURN (EIO);
		if (proc->p_flag & P_WEXIT) {
			PROC_UNLOCK(proc);
			PFS_RETURN (EIO);
		}
		_PHOLD(proc);
		PROC_UNLOCK(proc);
	}
	vhold(vn);
	locked = VOP_ISLOCKED(vn, td);
	VOP_UNLOCK(vn, 0, td);

	/* sbuf_new() can't fail with a static buffer */
	sbuf_new(&sb, buf, sizeof buf, 0);

	error = pn_fill(td, proc, pn, &sb, NULL);

	if (proc != NULL)
		PRELE(proc);
	vn_lock(vn, locked | LK_RETRY, td);
	vdrop(vn);

	if (error) {
		sbuf_delete(&sb);
		PFS_RETURN (error);
	}

	sbuf_finish(&sb);
	error = uiomove_frombuf(sbuf_data(&sb), sbuf_len(&sb), uio);
	sbuf_delete(&sb);
	PFS_RETURN (error);
}
示例#2
0
文件: pkgdb_repo.c 项目: jillest/pkg
struct pkgdb_it *
pkgdb_rquery_provide(struct pkgdb *db, const char *provide, const char *repo)
{
	sqlite3_stmt	*stmt;
	struct sbuf	*sql = NULL;
	const char	*reponame = NULL;
	int		 ret;
	const char	 basesql[] = ""
			"SELECT p.id, p.origin, p.name, p.version, p.comment, "
			"p.name || '~' || p.origin as uniqueid, "
			"p.prefix, p.desc, p.arch, p.maintainer, p.www, "
			"p.licenselogic, p.flatsize, p.pkgsize, "
			"p.cksum, p.manifestdigest, p.path AS repopath, '%1$s' AS dbname "
			"FROM '%1$s'.packages AS p, '%1$s'.pkg_provides AS pp, "
			"'%1$s'.provides AS pr "
			"WHERE p.id = pp.package_id "
			"AND pp.provide_id = pr.id "
			"AND pr.name = ?1;";

	assert(db != NULL);
	reponame = pkgdb_get_reponame(db, repo);

	sql = sbuf_new_auto();
	/*
	 * Working on multiple remote repositories
	 */
	if (reponame == NULL) {
		/* duplicate the query via UNION for all the attached
		 * databases */

		ret = pkgdb_sql_all_attached(db->sqlite, sql,
				basesql, " UNION ALL ");
		if (ret != EPKG_OK) {
			sbuf_delete(sql);
			return (NULL);
		}
	} else
		sbuf_printf(sql, basesql, reponame);

	sbuf_finish(sql);

	pkg_debug(4, "Pkgdb: running '%s'", sbuf_get(sql));
	ret = sqlite3_prepare_v2(db->sqlite, sbuf_get(sql), -1, &stmt, NULL);
	if (ret != SQLITE_OK) {
		ERROR_SQLITE(db->sqlite, sbuf_get(sql));
		sbuf_delete(sql);
		return (NULL);
	}

	sbuf_delete(sql);

	sqlite3_bind_text(stmt, 1, provide, -1, SQLITE_TRANSIENT);

	return (pkgdb_it_new(db, stmt, PKG_REMOTE, PKGDB_IT_FLAG_ONCE));
}
示例#3
0
void
vfs_mountroot(void)
{
	struct mount *mp;
	struct sbuf *sb;
	struct thread *td;
	time_t timebase;
	int error;

	td = curthread;

	vfs_mountroot_wait();

	sb = sbuf_new_auto();
	vfs_mountroot_conf0(sb);
	sbuf_finish(sb);

	error = vfs_mountroot_devfs(td, &mp);
	while (!error) {
		error = vfs_mountroot_parse(sb, mp);
		if (!error) {
			error = vfs_mountroot_shuffle(td, mp);
			if (!error) {
				sbuf_clear(sb);
				error = vfs_mountroot_readconf(td, sb);
				sbuf_finish(sb);
			}
		}
	}

	sbuf_delete(sb);

	/*
	 * Iterate over all currently mounted file systems and use
	 * the time stamp found to check and/or initialize the RTC.
	 * Call inittodr() only once and pass it the largest of the
	 * timestamps we encounter.
	 */
	timebase = 0;
	mtx_lock(&mountlist_mtx);
	mp = TAILQ_FIRST(&mountlist);
	while (mp != NULL) {
		if (mp->mnt_time > timebase)
			timebase = mp->mnt_time;
		mp = TAILQ_NEXT(mp, mnt_list);
	}
	mtx_unlock(&mountlist_mtx);
	inittodr(timebase);

	/* Keep prison0's root in sync with the global rootvnode. */
	mtx_lock(&prison0.pr_mtx);
	prison0.pr_root = rootvnode;
	vref(prison0.pr_root);
	mtx_unlock(&prison0.pr_mtx);

	mtx_lock(&mountlist_mtx);
	atomic_store_rel_int(&root_mount_complete, 1);
	wakeup(&root_mount_complete);
	mtx_unlock(&mountlist_mtx);
}
示例#4
0
static void
khttpd_ktr_logging_main(void *arg)
{
	struct sbuf *sbuf;
	struct thread *td;
	int error;

	KHTTPD_ASSERT_CURPROC_IS_KHTTPD();

	td = curthread;

	khttpd_ktr_logging_idx = ktr_idx;

	error = kern_openat(td, AT_FDCWD, KHTTPD_KTR_FILE, UIO_SYSSPACE,
	    O_CREAT | O_TRUNC | O_WRONLY, 0666);
	if (error != 0) {
		log(LOG_WARNING, "khttpd: failed to open ktr file '%s' "
		    "(error %d)", KHTTPD_KTR_FILE, error);
		goto quit;
	}
	kern_close(td, td->td_retval[0]);

	sbuf = sbuf_new_auto();

	while (!khttpd_ktr_logging_shutdown) {
		khttpd_ktr_logging(sbuf);
		pause("khttpd-ktr-flush", hz);
	}

	sbuf_delete(sbuf);

quit:
	khttpd_ktr_logging_thread = NULL;
	kthread_exit();
}
示例#5
0
文件: mtree.c 项目: Alkzndr/freebsd
/* construct path to node->name */
static char *
mtree_file_path(fsnode *node)
{
	fsnode *pnode;
	struct sbuf *sb;
	char *res, *rp[MAKEFS_MAX_TREE_DEPTH];
	int depth;

	depth = 0;
	rp[depth] = node->name;
	for (pnode = node->parent; pnode && depth < MAKEFS_MAX_TREE_DEPTH;
	     pnode = pnode->parent) {
		if (strcmp(pnode->name, ".") == 0)
			break;
		rp[++depth] = pnode->name;
	}
	
	sb = sbuf_new_auto();
	if (sb == NULL) {
		errno = ENOMEM;
		return (NULL);
	}
	while (depth > 0) {
		sbuf_cat(sb, rp[depth--]);
		sbuf_putc(sb, '/');
	}
	sbuf_cat(sb, rp[depth]);
	sbuf_finish(sb);
	res = strdup(sbuf_data(sb));
	sbuf_delete(sb);
	if (res == NULL)
		errno = ENOMEM;
	return res;

}
static int
acpi_cpu_usage_sysctl(SYSCTL_HANDLER_ARGS)
{
    struct acpi_cpu_softc *sc;
    struct sbuf	 sb;
    char	 buf[128];
    int		 i;
    uintmax_t	 fract, sum, whole;

    sc = (struct acpi_cpu_softc *) arg1;
    sum = 0;
    for (i = 0; i < sc->cpu_cx_count; i++)
	sum += sc->cpu_cx_stats[i];
    sbuf_new(&sb, buf, sizeof(buf), SBUF_FIXEDLEN);
    for (i = 0; i < sc->cpu_cx_count; i++) {
	if (sum > 0) {
	    whole = (uintmax_t)sc->cpu_cx_stats[i] * 100;
	    fract = (whole % sum) * 100;
	    sbuf_printf(&sb, "%u.%02u%% ", (u_int)(whole / sum),
		(u_int)(fract / sum));
	} else
	    sbuf_printf(&sb, "0.00%% ");
    }
    sbuf_printf(&sb, "last %dus", sc->cpu_prev_sleep);
    sbuf_trim(&sb);
    sbuf_finish(&sb);
    sysctl_handle_string(oidp, sbuf_data(&sb), sbuf_len(&sb), req);
    sbuf_delete(&sb);

    return (0);
}
示例#7
0
static int
sysctl_handle_dpi(SYSCTL_HANDLER_ARGS)
{
	struct ioat_softc *ioat;
	struct sbuf sb;
#define	PRECISION	"1"
	const uintmax_t factor = 10;
	uintmax_t rate;
	int error;

	ioat = arg1;
	sbuf_new_for_sysctl(&sb, NULL, 16, req);

	if (ioat->stats.interrupts == 0) {
		sbuf_printf(&sb, "NaN");
		goto out;
	}
	rate = ioat->stats.descriptors_processed * factor /
	    ioat->stats.interrupts;
	sbuf_printf(&sb, "%ju.%." PRECISION "ju", rate / factor,
	    rate % factor);
#undef	PRECISION
out:
	error = sbuf_finish(&sb);
	sbuf_delete(&sb);
	if (error != 0 || req->newptr == NULL)
		return (error);
	return (EINVAL);
}
示例#8
0
static int
sysctl_debug_ddb_scripting_scripts(SYSCTL_HANDLER_ARGS)
{
	struct sbuf sb;
	int error, i, len;
	char *buffer;

	/*
	 * Make space to include a maximum-length name, = symbol,
	 * maximum-length script, and carriage return for every script that
	 * may be defined.
	 */
	len = DB_MAXSCRIPTS * (DB_MAXSCRIPTNAME + 1 + DB_MAXSCRIPTLEN + 1);
	buffer = malloc(len, M_TEMP, M_WAITOK);
	(void)sbuf_new(&sb, buffer, len, SBUF_FIXEDLEN);
	mtx_lock(&db_script_mtx);
	for (i = 0; i < DB_MAXSCRIPTS; i++) {
		if (strlen(db_script_table[i].ds_scriptname) == 0)
			continue;
		(void)sbuf_printf(&sb, "%s=%s\n",
		    db_script_table[i].ds_scriptname,
		    db_script_table[i].ds_script);
	}
	mtx_unlock(&db_script_mtx);
	sbuf_finish(&sb);
	error = SYSCTL_OUT(req, sbuf_data(&sb), sbuf_len(&sb) + 1);
	sbuf_delete(&sb);
	free(buffer, M_TEMP);
	return (error);
}
示例#9
0
/*
 * Create an sbuf with uio data
 */
struct sbuf *
sbuf_uionew(struct sbuf *s, struct uio *uio, int *error)
{

	KASSERT(uio != NULL,
	    ("%s called with NULL uio pointer", __func__));
	KASSERT(error != NULL,
	    ("%s called with NULL error pointer", __func__));

	s = sbuf_new(s, NULL, uio->uio_resid + 1, 0);
	if (s == NULL) {
		*error = ENOMEM;
		return (NULL);
	}
	*error = uiomove(s->s_buf, uio->uio_resid, uio);
	if (*error != 0) {
		sbuf_delete(s);
		return (NULL);
	}
	s->s_len = s->s_size - 1;
	if (SBUF_ISSECTION(s))
		s->s_sect_len = s->s_size - 1;
	*error = 0;
	return (s);
}
示例#10
0
void
virtio_describe(device_t dev, const char *msg,
    uint64_t features, struct virtio_feature_desc *feature_desc)
{
	struct sbuf sb;
	uint64_t val;
	char *buf;
	const char *name;
	int n;

	if ((buf = malloc(512, M_TEMP, M_NOWAIT)) == NULL) {
		device_printf(dev, "%s features: 0x%"PRIx64"\n", msg,
		    features);
		return;
	}

	sbuf_new(&sb, buf, 512, SBUF_FIXEDLEN);
	sbuf_printf(&sb, "%s features: 0x%"PRIx64, msg, features);

	for (n = 0, val = 1ULL << 63; val != 0; val >>= 1) {
		/*
		 * BAD_FEATURE is used to detect broken Linux clients
		 * and therefore is not applicable to FreeBSD.
		 */
		if (((features & val) == 0) || val == VIRTIO_F_BAD_FEATURE)
			continue;

		if (n++ == 0)
			sbuf_cat(&sb, " <");
		else
			sbuf_cat(&sb, ",");

		name = NULL;
		if (feature_desc != NULL)
			name = virtio_feature_name(val, feature_desc);
		if (name == NULL)
			name = virtio_feature_name(val,
			    virtio_common_feature_desc);

		if (name == NULL)
			sbuf_printf(&sb, "0x%"PRIx64, val);
		else
			sbuf_cat(&sb, name);
	}

	if (n > 0)
		sbuf_cat(&sb, ">");

#if __FreeBSD_version < 900020
	sbuf_finish(&sb);
	if (sbuf_overflowed(&sb) == 0)
#else
	if (sbuf_finish(&sb) == 0)
#endif
		device_printf(dev, "%s\n", sbuf_data(&sb));

	sbuf_delete(&sb);
	free(buf, M_TEMP);
}
示例#11
0
int
sysctl_l2t(SYSCTL_HANDLER_ARGS)
{
	struct adapter *sc = arg1;
	struct l2t_data *l2t = sc->l2t;
	struct l2t_entry *e;
	struct sbuf *sb;
	int rc, i, header = 0;
	char ip[INET6_ADDRSTRLEN];

	if (l2t == NULL)
		return (ENXIO);

	rc = sysctl_wire_old_buffer(req, 0);
	if (rc != 0)
		return (rc);

	sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req);
	if (sb == NULL)
		return (ENOMEM);

	e = &l2t->l2tab[0];
	for (i = 0; i < l2t->l2t_size; i++, e++) {
		mtx_lock(&e->lock);
		if (e->state == L2T_STATE_UNUSED)
			goto skip;

		if (header == 0) {
			sbuf_printf(sb, " Idx IP address      "
			    "Ethernet address  VLAN/P LP State Users Port");
			header = 1;
		}
		if (e->state == L2T_STATE_SWITCHING)
			ip[0] = 0;
		else {
			inet_ntop(e->ipv6 ? AF_INET6 : AF_INET, &e->addr[0],
			    &ip[0], sizeof(ip));
		}

		/*
		 * XXX: e->ifp may not be around.
		 * XXX: IPv6 addresses may not align properly in the output.
		 */
		sbuf_printf(sb, "\n%4u %-15s %02x:%02x:%02x:%02x:%02x:%02x %4d"
			   " %u %2u   %c   %5u %s",
			   e->idx, ip, e->dmac[0], e->dmac[1], e->dmac[2],
			   e->dmac[3], e->dmac[4], e->dmac[5],
			   e->vlan & 0xfff, vlan_prio(e), e->lport,
			   l2e_state(e), atomic_load_acq_int(&e->refcnt),
			   e->ifp->if_xname);
skip:
		mtx_unlock(&e->lock);
	}

	rc = sbuf_finish(sb);
	sbuf_delete(sb);

	return (rc);
}
示例#12
0
文件: event.c 项目: dschossig/pkg
static void
print_status_end(struct sbuf *msg)
{
	sbuf_finish(msg);
	printf("%s", sbuf_data(msg));
	/*printf("\033]0; %s\007", sbuf_data(msg));*/
	sbuf_delete(msg);
}
示例#13
0
文件: event.c 项目: renchap/pkg
static void
print_and_set_term_title(struct sbuf *msg)
{
	sbuf_finish(msg);
	printf("%s", sbuf_data(msg));
	/*printf("\033]0; %s\007", sbuf_data(msg));*/
	sbuf_delete(msg);
}
示例#14
0
文件: scripts.c 项目: philpep/pkgng
int
pkg_script_run(struct pkg *pkg, pkg_script_t type)
{
	struct pkg_script *script = NULL;
	pkg_script_t stype;
	struct sbuf *script_cmd = sbuf_new_auto();
	size_t i;

	struct {
		const char *arg;
		const pkg_script_t b;
		const pkg_script_t a;
	} const map[] = {
		/* a implies b with argument arg */
		{"PRE-INSTALL",    PKG_SCRIPT_INSTALL,   PKG_SCRIPT_PRE_INSTALL},
		{"POST-INSTALL",   PKG_SCRIPT_INSTALL,   PKG_SCRIPT_POST_INSTALL},
		{"PRE-UPGRADE",    PKG_SCRIPT_UPGRADE,   PKG_SCRIPT_PRE_UPGRADE},
		{"POST-UPGRADE",   PKG_SCRIPT_UPGRADE,   PKG_SCRIPT_POST_UPGRADE},
		{"DEINSTALL",      PKG_SCRIPT_DEINSTALL, PKG_SCRIPT_PRE_DEINSTALL},
		{"POST-DEINSTALL", PKG_SCRIPT_DEINSTALL, PKG_SCRIPT_POST_DEINSTALL},
	};

	for (i = 0; i < sizeof(map) / sizeof(map[0]); i++) {
		if (map[i].a == type)
			break;
	}

	if (map[i].a != type)
		return (ERROR_BAD_ARG("type"));

	while (pkg_scripts(pkg, &script) == EPKG_OK) {

		stype = pkg_script_type(script);

		if (stype == map[i].a || stype == map[i].b) {
			sbuf_reset(script_cmd);
			sbuf_printf(script_cmd, "PKG_PREFIX=%s\nset -- %s-%s",
				pkg_get(pkg, PKG_PREFIX), pkg_get(pkg, PKG_NAME),
				pkg_get(pkg, PKG_VERSION));

			if (stype == map[i].b) {
				/* add arg **/
				sbuf_cat(script_cmd, " ");
				sbuf_cat(script_cmd, map[i].arg);
			}

			sbuf_cat(script_cmd, "\n");
			sbuf_cat(script_cmd, pkg_script_data(script));
			sbuf_finish(script_cmd);
			system(sbuf_data(script_cmd));

		}
	}

	sbuf_delete(script_cmd);

	return (EPKG_OK);
}
示例#15
0
/**
 * \brief Enumerate all devices of the given type on this bus.
 *
 * \param dev   NewBus device_t for this XenBus backend bus instance.
 * \param type  String indicating the device sub-tree (e.g. "vfb", "vif")
 *              to enumerate. 
 *
 * \return  On success, 0. Otherwise an errno value indicating the
 *          type of failure.
 *
 * Devices that are found are entered into the NewBus hierarchy via
 * xenbusb_add_device().  xenbusb_add_device() ignores duplicate detects
 * and ignores duplicate devices, so it can be called unconditionally
 * for any device found in the XenStore.
 *
 * The backend XenStore hierarchy has the following format:
 *
 *     backend/<device type>/<frontend vm id>/<device id>
 *
 */
static int
xenbusb_back_enumerate_type(device_t dev, const char *type)
{
	struct xenbusb_softc *xbs;
	const char **vms;
	u_int vm_idx;
	u_int vm_count;
	int error;

	xbs = device_get_softc(dev);
	error = xs_directory(XST_NIL, xbs->xbs_node, type, &vm_count, &vms);
	if (error)
		return (error);
	for (vm_idx = 0; vm_idx < vm_count; vm_idx++) {
		struct sbuf *vm_path;
		const char *vm;
		const char **devs;
		u_int dev_idx;
		u_int dev_count;

		vm = vms[vm_idx];

		vm_path = xs_join(type, vm);
		error = xs_directory(XST_NIL, xbs->xbs_node, sbuf_data(vm_path),
		    &dev_count, &devs);
		sbuf_delete(vm_path);
		if (error)
			break;

		for (dev_idx = 0; dev_idx < dev_count; dev_idx++) {
			const char *dev_num;
			struct sbuf *id;
			
			dev_num = devs[dev_idx];
			id = xs_join(vm, dev_num);
			xenbusb_add_device(dev, type, sbuf_data(id));
			sbuf_delete(id);
		}
		free(devs, M_XENSTORE);
	}

	free(vms, M_XENSTORE);

	return (0);
}
示例#16
0
文件: query.c 项目: baitisj/pkg
struct pkg_repo_it *
pkg_repo_binary_query(struct pkg_repo *repo, const char *pattern, match_t match)
{
	sqlite3 *sqlite = PRIV_GET(repo);
	sqlite3_stmt	*stmt = NULL;
	struct sbuf	*sql = NULL;
	const char	*comp = NULL;
	int		 ret;
	char		 basesql[BUFSIZ] = ""
		"SELECT id, origin, name, name as uniqueid, version, comment, "
		"prefix, desc, arch, maintainer, www, "
		"licenselogic, flatsize, pkgsize, "
		"cksum, manifestdigest, path AS repopath, '%s' AS dbname "
		"FROM packages AS p";

	if (match != MATCH_ALL && (pattern == NULL || pattern[0] == '\0'))
		return (NULL);

	sql = sbuf_new_auto();
	comp = pkgdb_get_pattern_query(pattern, match);
	if (comp && comp[0])
		strlcat(basesql, comp, sizeof(basesql));

	sbuf_printf(sql, basesql, repo->name);

	sbuf_cat(sql, " ORDER BY name;");
	sbuf_finish(sql);

	pkg_debug(4, "Pkgdb: running '%s' query for %s", sbuf_data(sql),
	     pattern == NULL ? "all": pattern);
	ret = sqlite3_prepare_v2(sqlite, sbuf_data(sql), sbuf_len(sql), &stmt,
	    NULL);
	if (ret != SQLITE_OK) {
		ERROR_SQLITE(sqlite, sbuf_data(sql));
		sbuf_delete(sql);
		return (NULL);
	}

	sbuf_delete(sql);

	if (match != MATCH_ALL && match != MATCH_CONDITION)
		sqlite3_bind_text(stmt, 1, pattern, -1, SQLITE_TRANSIENT);

	return (pkg_repo_binary_it_new(repo, stmt, PKGDB_IT_FLAG_ONCE));
}
示例#17
0
文件: add.c 项目: culot/pkgng
int
exec_add(int argc, char **argv)
{
    struct pkgdb *db = NULL;
    struct sbuf *failedpkgs = sbuf_new_auto();
    char path[MAXPATHLEN + 1];
    char *file;
    int retcode = EPKG_OK;
    int i;
    int failedpkgcount = 0;
    struct pkg *p = NULL;

    if (argc < 2) {
        usage_add();
        return (EX_USAGE);
    }

    if (geteuid() != 0) {
        warnx("adding packages can only be done as root");
        return (EX_NOPERM);
    }

    if (pkgdb_open(&db, PKGDB_DEFAULT) != EPKG_OK) {
        return (EX_IOERR);
    }

    for (i = 1; i < argc; i++) {
        if (is_url(argv[i]) == EPKG_OK) {
            snprintf(path, sizeof(path), "./%s", basename(argv[i]));
            if ((retcode = pkg_fetch_file(argv[i], path)) != EPKG_OK)
                break;

            file = path;
        } else
            file = argv[i];

        pkg_open(&p, file, NULL);

        if ((retcode = pkg_add(db, file, 0)) != EPKG_OK) {
            sbuf_cat(failedpkgs, argv[i]);
            if (i != argc - 1)
                sbuf_printf(failedpkgs, ", ");
            failedpkgcount++;
        }

    }

    pkgdb_close(db);

    if(failedpkgcount > 0) {
        sbuf_finish(failedpkgs);
        printf("Failed to install the following %d package(s): %s.\n", failedpkgcount, sbuf_data(failedpkgs));
    }
    sbuf_delete(failedpkgs);

    return (retcode == EPKG_OK ? EX_OK : EX_SOFTWARE);
}
示例#18
0
/*
 * Write to a file
 */
static int
pfs_write(struct vop_write_args *va)
{
	struct vnode *vn = va->a_vp;
	struct pfs_vdata *pvd = vn->v_data;
	struct pfs_node *pn = pvd->pvd_pn;
	struct uio *uio = va->a_uio;
	struct proc *proc;
	struct sbuf sb;
	int error;

	PFS_TRACE(("%s", pn->pn_name));
	pfs_assert_not_owned(pn);

	if (vn->v_type != VREG)
		PFS_RETURN (EINVAL);
	KASSERT_PN_IS_FILE(pn);

	if (!(pn->pn_flags & PFS_WR))
		PFS_RETURN (EBADF);

	if (pn->pn_fill == NULL)
		PFS_RETURN (EIO);

	/*
	 * This is necessary because either process' privileges may
	 * have changed since the open() call.
	 */
	if (!pfs_visible(curthread, pn, pvd->pvd_pid, &proc))
		PFS_RETURN (EIO);
	if (proc != NULL) {
		_PHOLD(proc);
		PROC_UNLOCK(proc);
	}

	if (pn->pn_flags & PFS_RAWWR) {
		error = pn_fill(curthread, proc, pn, NULL, uio);
		if (proc != NULL)
			PRELE(proc);
		PFS_RETURN (error);
	}

	sbuf_uionew(&sb, uio, &error);
	if (error) {
		if (proc != NULL)
			PRELE(proc);
		PFS_RETURN (error);
	}

	error = pn_fill(curthread, proc, pn, &sb, uio);

	sbuf_delete(&sb);
	if (proc != NULL)
		PRELE(proc);
	PFS_RETURN (error);
}
示例#19
0
int
linux_sysctl(struct thread *td, struct linux_sysctl_args *args)
{
	struct l___sysctl_args la;
	struct sbuf *sb;
	l_int *mib;
	int error, i;

	error = copyin(args->args, &la, sizeof(la));
	if (error)
		return (error);

	if (la.nlen <= 0 || la.nlen > LINUX_CTL_MAXNAME)
		return (ENOTDIR);

	mib = malloc(la.nlen * sizeof(l_int), M_TEMP, M_WAITOK);
	error = copyin(PTRIN(la.name), mib, la.nlen * sizeof(l_int));
	if (error) {
		free(mib, M_TEMP);
		return (error);
	}

	switch (mib[0]) {
	case LINUX_CTL_KERN:
		if (la.nlen < 2)
			break;

		switch (mib[1]) {
		case LINUX_KERN_VERSION:
			error = handle_string(&la, version);
			free(mib, M_TEMP);
			return (error);
		default:
			break;
		}
		break;
	default:
		break;
	}

	sb = sbuf_new(NULL, NULL, 20 + la.nlen * 5, SBUF_AUTOEXTEND);
	if (sb == NULL) {
		linux_msg(td, "sysctl is not implemented");
	} else {
		sbuf_printf(sb, "sysctl ");
		for (i = 0; i < la.nlen; i++)
			sbuf_printf(sb, "%c%d", (i) ? ',' : '{', mib[i]);
		sbuf_printf(sb, "} is not implemented");
		sbuf_finish(sb);
		linux_msg(td, "%s", sbuf_data(sb));
		sbuf_delete(sb);
	}

	free(mib, M_TEMP);
	return (ENOTDIR);
}
示例#20
0
文件: query.c 项目: baitisj/pkg
struct pkg_repo_it *
pkg_repo_binary_search(struct pkg_repo *repo, const char *pattern, match_t match,
    pkgdb_field field, pkgdb_field sort)
{
	sqlite3 *sqlite = PRIV_GET(repo);
	sqlite3_stmt	*stmt = NULL;
	struct sbuf	*sql = NULL;
	int		 ret;
	const char	*multireposql = ""
		"SELECT id, origin, name, version, comment, "
		"prefix, desc, arch, maintainer, www, "
		"licenselogic, flatsize, pkgsize, "
		"cksum, path AS repopath, '%1$s' AS dbname, '%2$s' AS repourl "
		"FROM packages ";

	if (pattern == NULL || pattern[0] == '\0')
		return (NULL);

	sql = sbuf_new_auto();
	sbuf_printf(sql, multireposql, repo->name, repo->url);

	/* close the UNIONs and build the search query */
	sbuf_cat(sql, "WHERE ");

	pkg_repo_binary_build_search_query(sql, match, field, sort);
	sbuf_cat(sql, ";");
	sbuf_finish(sql);

	pkg_debug(4, "Pkgdb: running '%s'", sbuf_data(sql));
	ret = sqlite3_prepare_v2(sqlite, sbuf_data(sql), -1, &stmt, NULL);
	if (ret != SQLITE_OK) {
		ERROR_SQLITE(sqlite, sbuf_data(sql));
		sbuf_delete(sql);
		return (NULL);
	}

	sbuf_delete(sql);

	sqlite3_bind_text(stmt, 1, pattern, -1, SQLITE_TRANSIENT);

	return (pkg_repo_binary_it_new(repo, stmt, PKGDB_IT_FLAG_ONCE));
}
示例#21
0
文件: query.c 项目: baitisj/pkg
struct pkg_repo_it *
pkg_repo_binary_shlib_require(struct pkg_repo *repo, const char *provide)
{
	sqlite3_stmt	*stmt;
	sqlite3 *sqlite = PRIV_GET(repo);
	struct sbuf	*sql = NULL;
	int		 ret;
	const char	 basesql[] = ""
			"SELECT p.id, p.origin, p.name, p.version, p.comment, "
			"p.name as uniqueid, "
			"p.prefix, p.desc, p.arch, p.maintainer, p.www, "
			"p.licenselogic, p.flatsize, p.pkgsize, "
			"p.cksum, p.manifestdigest, p.path AS repopath, '%s' AS dbname "
			"FROM packages AS p INNER JOIN pkg_shlibs_required AS ps ON "
			"p.id = ps.package_id "
			"WHERE ps.shlib_id = (SELECT id FROM shlibs WHERE name=?1);";

	sql = sbuf_new_auto();
	sbuf_printf(sql, basesql, repo->name);

	sbuf_finish(sql);

	pkg_debug(4, "Pkgdb: running '%s'", sbuf_data(sql));
	ret = sqlite3_prepare_v2(sqlite, sbuf_data(sql), -1, &stmt, NULL);
	if (ret != SQLITE_OK) {
		ERROR_SQLITE(sqlite, sbuf_data(sql));
		sbuf_delete(sql);
		return (NULL);
	}

	sbuf_delete(sql);

	pkg_debug(1, "> loading provides");
	sqlite3_bind_text(stmt, 1, provide, -1, SQLITE_TRANSIENT);

	return (pkg_repo_binary_it_new(repo, stmt, PKGDB_IT_FLAG_ONCE));
}
示例#22
0
char *
epg_to_m3u(const list_s *channels, enum epg_m3u_format format)
{
    sbuf_s *buffer = sbuf_new();
    error_if(buffer == NULL, error, "Error Allocating sbuf_s");

    error_if(channels == NULL, error, "Params Error");
    trace("There are %zu channels", list_count(channels));

    list_apply_with_state_cb func =
        (format == epg_m3u_format_simpletv) ?
        _gen_m3u_simpletv : _gen_m3u_tvheadend;

    list_walk_with_state((list_s *)channels, func, (void *)buffer);

    char *s = sbuf_detach(buffer);
    sbuf_delete(buffer);
    return s;

error:
    if (buffer)
        sbuf_delete(buffer);
    return NULL;
}
示例#23
0
void
khttpd_ktr_logging_fini(void)
{
	struct sbuf *sbuf;

	KHTTPD_ASSERT_CURPROC_IS_KHTTPD();

	khttpd_ktr_logging_shutdown = TRUE;
	while (khttpd_ktr_logging_thread != NULL)
		pause("khttpd-ktr-flush-fini", hz);

	sbuf = sbuf_new_auto();
	khttpd_ktr_logging(sbuf);
	sbuf_delete(sbuf);
}
示例#24
0
/* ARGSUSED */
static int
random_print_harvestmask(SYSCTL_HANDLER_ARGS)
{
	struct sbuf sbuf;
	int error, i;

	error = sysctl_wire_old_buffer(req, 0);
	if (error == 0) {
		sbuf_new_for_sysctl(&sbuf, NULL, 128, req);
		for (i = RANDOM_ENVIRONMENTAL_END; i >= 0; i--)
			sbuf_cat(&sbuf, (harvest_context.hc_source_mask & (1 << i)) ? "1" : "0");
		error = sbuf_finish(&sbuf);
		sbuf_delete(&sbuf);
	}
	return (error);
}
示例#25
0
static int
kdb_sysctl_available(SYSCTL_HANDLER_ARGS)
{
	struct kdb_dbbe **iter;
	struct sbuf sbuf;
	int error;

	sbuf_new_for_sysctl(&sbuf, NULL, 64, req);
	SET_FOREACH(iter, kdb_dbbe_set) {
		if ((*iter)->dbbe_active == 0)
			sbuf_printf(&sbuf, "%s ", (*iter)->dbbe_name);
	}
	error = sbuf_finish(&sbuf);
	sbuf_delete(&sbuf);
	return (error);
}
示例#26
0
文件: pkg_manifest.c 项目: grtodd/pkg
static int
pkg_set_files_from_object(struct pkg *pkg, ucl_object_t *obj)
{
	ucl_object_t *cur;
	ucl_object_iter_t it = NULL;
	const char *sum = NULL;
	const char *uname = NULL;
	const char *gname = NULL;
	void *set = NULL;
	mode_t perm = 0;
	struct sbuf *fname = NULL;
	const char *key, *okey;

	okey = ucl_object_key(obj);
	if (okey == NULL)
		return (EPKG_FATAL);
	urldecode(okey, &fname);
	while ((cur = ucl_iterate_object(obj, &it, true))) {
		key = ucl_object_key(cur);
		if (key == NULL)
			continue;
		if (!strcasecmp(key, "uname") && cur->type == UCL_STRING)
			uname = ucl_object_tostring(cur);
		else if (!strcasecmp(key, "gname") && cur->type == UCL_STRING)
			gname = ucl_object_tostring(cur);
		else if (!strcasecmp(key, "sum") && cur->type == UCL_STRING &&
		    strlen(ucl_object_tostring(cur)) == 64)
			sum = ucl_object_tostring(cur);
		else if (!strcasecmp(key, "perm") &&
		    (cur->type == UCL_STRING || cur->type == UCL_INT)) {
			if ((set = setmode(ucl_object_tostring_forced(cur))) == NULL)
				pkg_emit_error("Not a valid mode: %s",
				    ucl_object_tostring(cur));
			else
				perm = getmode(set, 0);
		} else {
			pkg_emit_error("Skipping unknown key for file(%s): %s",
			    sbuf_data(fname), ucl_object_tostring(cur));
		}
	}

	pkg_addfile_attr(pkg, sbuf_data(fname), sum, uname, gname, perm, false);
	sbuf_delete(fname);

	return (EPKG_OK);
}
示例#27
0
/*
 * Create an sbuf with uio data
 */
struct sbuf *
sbuf_uionew(struct sbuf *s, struct uio *uio, int *error)
{
	KASSERT(uio != NULL);
	KASSERT(error != NULL);

	s = sbuf_new(s, NULL, uio->uio_resid + 1, 0);
	if (s == NULL) {
		*error = ENOMEM;
		return (NULL);
	}
	*error = uiomove(s->s_buf, uio->uio_resid, uio);
	if (*error != 0) {
		sbuf_delete(s);
		return (NULL);
	}
	s->s_len = s->s_size - 1;
	*error = 0;
	return (s);
}
示例#28
0
/* List available sysclocks. */
static int
sysctl_kern_sysclock_available(SYSCTL_HANDLER_ARGS)
{
	struct sbuf *s;
	int clk, error;

	s = sbuf_new_for_sysctl(NULL, NULL,
	    MAX_SYSCLOCK_NAME_LEN * NUM_SYSCLOCKS, req);
	if (s == NULL)
		return (ENOMEM);

	for (clk = 0; clk < NUM_SYSCLOCKS; clk++) {
		sbuf_cat(s, sysclocks[clk]);
		if (clk + 1 < NUM_SYSCLOCKS)
			sbuf_cat(s, " ");
	}
	error = sbuf_finish(s);
	sbuf_delete(s);

	return (error);
}
示例#29
0
static int
sysctl_handle_chansts(SYSCTL_HANDLER_ARGS)
{
	struct ioat_softc *ioat;
	struct sbuf sb;
	uint64_t status;
	int error;

	ioat = arg1;

	status = ioat_get_chansts(ioat) & IOAT_CHANSTS_STATUS;

	sbuf_new_for_sysctl(&sb, NULL, 256, req);
	switch (status) {
	case IOAT_CHANSTS_ACTIVE:
		sbuf_printf(&sb, "ACTIVE");
		break;
	case IOAT_CHANSTS_IDLE:
		sbuf_printf(&sb, "IDLE");
		break;
	case IOAT_CHANSTS_SUSPENDED:
		sbuf_printf(&sb, "SUSPENDED");
		break;
	case IOAT_CHANSTS_HALTED:
		sbuf_printf(&sb, "HALTED");
		break;
	case IOAT_CHANSTS_ARMED:
		sbuf_printf(&sb, "ARMED");
		break;
	default:
		sbuf_printf(&sb, "UNKNOWN");
		break;
	}
	error = sbuf_finish(&sb);
	sbuf_delete(&sb);

	if (error != 0 || req->newptr == NULL)
		return (error);
	return (EINVAL);
}
示例#30
0
文件: utils.c 项目: varju/pkgng
struct sbuf *
exec_buf(const char *cmd) {
	FILE *fp;
	char buf[BUFSIZ];
	struct sbuf *res;

	if ((fp = popen(cmd, "r")) == NULL)
		return (NULL);

	res = sbuf_new_auto();
	while (fgets(buf, BUFSIZ, fp) != NULL)
		sbuf_cat(res, buf);

	pclose(fp);

	if (sbuf_len(res) == 0) {
		sbuf_delete(res);
		return (NULL);
	}

	sbuf_finish(res);

	return (res);
}